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  • 1985-1989  (12)
  • 1945-1949
  • 1986  (12)
  • 1
    Electronic Resource
    Electronic Resource
    Perturbation theory of liquids (1986)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 84 (1986), S. 1049-1050 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Recently, Abascal and co-workers have developed an extended perturbation theory for diatomic liquids which combines the Weeks–Chandler–Andersen choice of reference potential with the Barker–Henderson choice of hard sphere diameter. Here we report results for the case of atomic liquids. This theory is shown to work well for atomic liquids at moderate densities, for ρ*〈0.75. At higher densities, this theory is less accurate than the first order Barker–Henderson theory. Implications for perturbation theories involving molecular liquids are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.450593
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Optical ranging by wavelength multiplexed interferometry (1986)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 60 (1986), S. 1900-1903 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A new optical technique is described for measurement of absolute distance. The approach is based upon a wavelength multiplexed heterodyne interferometer with FM demodulation. By temporally multiplexing discrete wavelengths in a heterodyne interferometer, a complete elimination of interferometric range ambiguity can be achieved while maintaining the high range sensitivity and resolution of interferometry. The basic theory is presented and an algorithm is described for measurement of range over meter distances with submicrometer resolution. The experimental implementation of the wavelength multiplexed interferometer is described and ranging results with 2 μm resolution from 20 cm are presented. A scanned three-dimensional map of a surface contour with 3-mm topography is also presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.337239
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of delayed icing on the storage life of rainbow trout (1986)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of food science & technology 21 (1986), S. 0 
    Details
    ISSN: 1365-2621
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Rainbow trout (Salmo irideus), were divided into groups: (1) iced immediately, or (2) kept at 10 °C for 6 hr, (3) 20 °C for 6 hr, (4) 20 °C for 18 hr, (5) 30 °C for 4 hr, (6) 30 °C for 6 hr. Fish in groups 2–6 were iced at the end of the stipulated temperature/time period of holding. Quality was subsequently assessed every 2 days for 14 days during iced storage: sensory assessment using criteria of appearance, texture and odour; chemical assessments by measurement of total volatile bases, hypoxanthine and thiobarbituric acid: microbiological assessments by total bacterial counts at 20 °C/72 hr and 37 °C/48 hr incubation. The results indicate that deamination due to bacterial action and hydrolysis of fats increases progressively with rising temperature prolonged periods of storage prior to icing, and results in final spoilage. Fish iced immediately after delivery and those iced after being kept at 10 °C for 6 hr were acceptable to quality even after 14 days of iced storage. Recommendations are made for maintenance of quality and extension of shelf life.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1986.tb00437.x
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  • 4
    Electronic Resource
    Electronic Resource
    Anomalous small-angle scattering in metallurgy: a feasibility experiment with an Al–Zn alloy (1986)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 19 (1986), S. 19-24 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: The variation of the atomic scattering factor near the X-ray absorption edge of an element can be an important tool for determining the distribution of that element in any sample. For defining experimentally the possibilities of anomalous small-angle X-ray scattering (ASAXS) in metallurgy, three compositions of a phase-separated aluminium-zinc alloy have been studied at different energies below the Zn-absorption edge, using a synchrotron radiation source. In order to test the reliability of these measurements and of the data treatment, the variation of f′, the real part of the scattering factor, has been measured with a precision comparable to that of more direct measurements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889886090064
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    Paper (German National Licenses)
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  • 5
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    Four Poems (1986)
    Cambridge, Mass. : Periodicals Archive Online (PAO)
    Ploughshares. 12:3 (1986) 55 
    Details
    ISSN: 0048-4474
    Topics: Linguistics and Literary Studies , English, American Studies
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:b238-1986-012-03-000017
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  • 6
    Electronic Resource
    Electronic Resource
    Liouville operator resolvent method applied to the hubbard dimer (1986)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 8 (1986), S. 625-634 
    Details
    ISSN: 0392-6737
    Keywords: General theories and computational techniques
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto Si considera il problema di due loci atomici tipo idrogeno (statis solamente) accoppiati con una matrice hopping. Si impiega un nuovo formalismo, il metodo risolutore dell’operatore di Liouville, per valutare la funzione termodinamica di Green per la particella singola per questo sistema. Si discutono anche dettagli del metodo.
    Notes: Summary The problem of two hydrogenlike atomic sites (s-shells only) coupled via a hopping matrix is considered. We employ a new formalism, the Liouville operator resolvent method, to evaluate the single-particle thermodynamic Green’s function for this system. Details of the method are also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02451087
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  • 7
    Electronic Resource
    Electronic Resource
    Magnetic anomalies in the northeast Atlantic Ocean (35°-50° N) (1986)
    Springer
    Marine geophysical researches 8 (1986), S. 1-25 
    Details
    ISSN: 1573-0581
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract A magnetic anomaly chart is presented of the Northeast Atlantic Ocean between 35° and 50° N. This chart is based upon measurements obtained during the period 1956–1984. In this paper a description is given of the data set, of the computer program which was used to obtain grid values from the data points and of the subsequent contouring. As a check on the accuracy and internal consistency of the data set, a cross-over analysis was performed for different parts of the area. A general description of the magnetic anomalies is given against the background of the known structure of the area. A detailed interpretation of the anomalies falls outside the scope of this paper.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02424825
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of superparamagnetism on measurements made with a Gouy magnetometer (1986)
    Springer
    Journal of materials science 5 (1986), S. 832-834 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01730106
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  • 9
    Electronic Resource
    Electronic Resource
    Sources of organic nitrogen, phosphorus and carbon in antarctic streams (1986)
    Springer
    Hydrobiologia 134 (1986), S. 215-225 
    Details
    ISSN: 1573-5117
    Keywords: Antarctica ; carbon ; glaciers ; nitrogen ; phosphorus ; streams
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Dissolved and particulate organic materials were analysed in 14 streamwaters of the McMurdo Sound region of Antarctica. These streams are fed by glacial meltwaters and pass through catchments largely devoid of terrestrial vegetation. Nonetheless they contained measurable amounts of organic material in both dissolved and particulate form. Most of the dissolved organic carbon (DOC) values lay in the range 1–3 g C m−3. Higher values were recorded close to penguin rookeries on the coast. Dissolved organic nitrogen (DON) concentrations were generally two orders of magnitude less than DOC and in flowing waters with rich blue-green algal growth DON increased with distance downstream. Dissolved organic phosphorus levels were generally much lower than DON, but highly variable. Particulate organic carbon concentrations (both fine and coarse) were unexpectedly high. Five sources of organic matter were identified: birdlife (only near the coast), autochthonous algal production (especially important for DON), streambed soils (important at first flows), lacustrine and marine sediments, through which certain streams and glaciers cut, and the glacial ice, which received organic input from wind-blown particulates, snowfall and the underlying bedrock of sedimentary origin. Highest organic levels were recorded in the first melt down the glacier face, suggesting that winter deposition of organic materials may be especially important.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00008490
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  • 10
    Electronic Resource
    Electronic Resource
    The temperature dependence of permittivity in MgO and Fe-MgO single crystals (1986)
    Springer
    Journal of materials science 21 (1986), S. 3091-3096 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The permittivities (ε′) of undoped MgO and iron-doped Fe-MgO single crystals have been measured over the temperature range 20 to 650
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00553341
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